4 ms·
Two words: precision and recall. Accuracy is a very bad measure of any classifier performance (be it a machine learning algorithm, or a human expert) if the se
by stared 5y ago
Two words: precision and recall.
Accuracy is a very bad measure of any classifier performance (be it a machine learning algorithm, or a human expert) if the sets are not well-balanced. See https://people.inf.elte.hu/kiss/13dwhdm/roc.pdf https://people.inf.elte.hu/kiss/13dwhdm/roc.pdf for RoC.